Abstract

A new high yielding Karunganni cotton culture, TKA-188 was released as K 11 variety by the Tamil Nadu Agricultural University during the year 1993. It is a double cross hybrid derivative. matures in 130-135 days and suitable for low fertile vertisols of Tamil Nadu. It is highly suitable for rainfed cultivation and also for black gram intercrop cultivation. It has recorded an average seed cotton yield of 1208 kg/ha as compared to 937 kg/ha by K 10 with an increase of 28.9 per cent. Since it is one week earlier possessing better pest resistance and higher yield than K 10, it has been released for general cultivation to replace K 10.

Keywords: Karunganni cotton, new variety, K 11